Thuridilla coerulea (Kelaart, 1858) ♡ Like 0 Observation Details Photographer RO Location Indonesia > Jawa Date 2023/08/24 Size 40mm Depth 0.5m Water temperature 28.0℃ Related Links Species details: Thuridilla coerulea (Kelaart, 1858) More from RO More observations from this area Submit Photo Send Message Share Permanent URL: https://en.seaslug.world/observation/34758